Kova Plastics by Alltrista System Super Pac 1000 with Caps Complete with specially engineered microscopic slides (non-gridded), sample tubes and caps, and custom pipettes or petters for reliable, simple and effective workflow standardization. Super Tubes(1000): 12mL graduated non-sterile disposable centrifuge tube manufactured from high quality, break-resistant clear plastic and marked in 1mL increments. Caps (1000): Provides secure closures during transport and storage, as well as reduces the risk of aerosoling of potentially infectious specimens during centrifugation. Petters (1000): A disposable plastic transfer pipette that features a unique lock for one-step, contamination-free decanting, retaining 1.0mL of urine after centrifugation. Glasstic Slides 10 (100): A precision manufactured, 10-chambered disposable microscope slide made of optically clear plastic (non-gridded).